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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">kaz44</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Университета Шакарима. Серия технические науки</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of Shakarim University. Technical Sciences</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2788-7995</issn><issn pub-type="epub">3006-0524</issn><publisher><publisher-name>«Шәкәрім университеті» КеАҚ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.53360/2788-7995-2025-3(19)-66</article-id><article-id custom-type="elpub" pub-id-type="custom">kaz44-1964</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ХИМИЧЕСКАЯ ТЕХНОЛОГИЯ (ОРИГИНАЛЬНАЯ СТАТЬЯ)</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CHEMICAL TECHNOLOGY (ORIGINAL ARTICLE)</subject></subj-group></article-categories><title-group><article-title>СИНТЕЗ, РЕНТГЕНОГРАФИЯ И ТЕРМОДИНАМИКА КУПРАТО-ВАНАДАТО-МАНГАНИТА LaLi2CuVMnO7.5</article-title><trans-title-group xml:lang="en"><trans-title>SYNTHESIS, RADIOGRAPHY AND THERMODYNAMICS CUPRATE-VANADATO-MANGANITE LaLi2CuVMnO7.5</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9394-0592</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Касенов</surname><given-names>Б. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Kasenov</surname><given-names>B. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Булат Кунурович Касенов – доктор химических наук, профессор, заведующий лабораторией термохимических процессов</p><p>100009, Республика Казахстан, г. Караганда, ул. Ермекова, 63</p></bio><bio xml:lang="en"><p>Bulat Kunurovich Kasenov – Doctor of chemical sciences, professor, head of the laboratory of thermochemical processes </p><p>100009, Republic of Kazakhstan, Karaganda, Yermekov str., 63 </p></bio><email xlink:type="simple">kasenov1946@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9755-7478</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Касенова</surname><given-names>Ш. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Kasenova</surname><given-names>Sh. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шуга Булатовна Касенова – доктор химических наук, профессор, главный научный сотрудник лаборатории термохимических процессов</p><p>100009, Республика Казахстан, г. Караганда, ул. Ермекова, 63</p></bio><bio xml:lang="en"><p>Shuga Bulatovna Kasenova – Doctor of chemical sciences, professor, chief researcher of the laboratory of thermochemical processes </p><p>100009, Republic of Kazakhstan, Karaganda, Yermekov str., 63 </p></bio><email xlink:type="simple">kasenovashuga@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8655-356X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сагинтаева</surname><given-names>Ж. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Sagintaeva</surname><given-names>Zh. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Женисгуль Имангалиевна Сагинтаева – кандидат химических наук, ассоциированный профессор, ведущий научный сотрудник лаборатории термохимических  процессов </p><p>100009, Республика Казахстан, г. Караганда, ул. Ермекова, 63 </p></bio><bio xml:lang="en"><p>Zhenisgul Imangalievna Sagintaeva – candidate of chemical sciences, associate professor, leading researcher of the laboratory of thermochemical processes </p><p>100009, Republic of Kazakhstan, Karaganda, Yermekov str., 63 </p></bio><email xlink:type="simple">kai_sagintaeva@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9172-9566</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Куанышбеков</surname><given-names>Е. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuanyshbekov</surname><given-names>E. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ерболат Ермекович Куанышбеков – магистр технических наук, старший научный сотрудник лаборатории термохимических процессов </p><p>100009, Республика Казахстан, г. Караганда, ул. Ермекова, 63</p></bio><bio xml:lang="en"><p>Erbolat Ermekovich Kuanyshbekov – Master of engineering, senior research fellow of the laboratory of thermochemical processes </p><p>100009, Republic of Kazakhstan, Karaganda, Yermekov str., 63 </p></bio><email xlink:type="simple">mr.ero1986@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8119-3865</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Исабаева</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Isabaeva</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ерболат Ермекович Куанышбеков – магистр технических наук, старший научный сотрудник лаборатории термохимических процессов </p><p>140008, Республика Казахстан, г. Павлодар, ул. Ломова, 64</p></bio><bio xml:lang="en"><p>Manar Amangeldievna Isabayeva – Candidate of Chemical Sciences, Professor of the Department of Chemistry and Chemical Technology </p><p>140008, Republic of Kazakhstan, Pavlodar, Lomov str., 64</p></bio><email xlink:type="simple">isabaeva.manar@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Химико-металлургический институт им. Ж. Абишева<country>Казахстан</country></aff><aff xml:lang="en">Abishev Chemical-Metallurgical Institute<country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Торайгыров университет<country>Казахстан</country></aff><aff xml:lang="en">Toraigyrov University<country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>03</day><month>11</month><year>2025</year></pub-date><volume>0</volume><issue>3(19)</issue><fpage>593</fpage><lpage>603</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Касенов Б.К., Касенова Ш.Б., Сагинтаева Ж.И., Куанышбеков Е.Е., Исабаева М.А., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Касенов Б.К., Касенова Ш.Б., Сагинтаева Ж.И., Куанышбеков Е.Е., Исабаева М.А.</copyright-holder><copyright-holder xml:lang="en">Kasenov B.K., Kasenova S.B., Sagintaeva Z.I., Kuanyshbekov E.E., Isabaeva M.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://tech.vestnik.shakarim.kz/jour/article/view/1964">https://tech.vestnik.shakarim.kz/jour/article/view/1964</self-uri><abstract><p>В статье представлены результаты синтеза, рентгенографического и термодинамического исследования соединения купрато-ванадато-манганита LaLi2CuVMnO7.5. Используя керамическую технологию, синтезировали новый купрато-ванадато-манганита LaLi2CuVMnO7.5. Анализ структуры был проведен методом рентгеновской дифракции (РФА). Индицирование рентгенограмм проводили аналитическим методом. Пикнометрические плотности определяли в стеклянных пикнометрах объемом 1 мл. по 3 раза и данные усреднялись. Результаты показывают, что LaLi2CuVMnO7.5 кристаллизуется в кубической сингонии с параметрами решетки: а=14,01 ± 0,01 Å; Z=4; Vo=2747,18 ± 0,03 Å³; Voэл.яч.=686,87 ± 0,87 Å³, ρрент.=4,27 и ρпикн.=4,26 ± 0,005 г/см³. На серийном калориметре ИТ-С-400 в интервале 298.15-673 К исследована температурная зависимость теплоемкости LaLi2CuVMnO7.5. Калибровка прибора осуществлялась на основе определения теплопроводности теплоизмерителя. Для этой цели были проведены эксперименты с медным образцом и пустой ампулой. При каждой температуре (с шагом 25 К) выполнялось пять параллельных экспериментов, результаты которых обрабатывались методом математической статистики путем вычисления среднего значения. Работу устройства проверяли через определение теплоемкости α-Al2O3. На основании опытных данных выведены уравнения, описывающие зависимости от температуры. Установлено, что LaLi2CuVMnO7.5 при 348 К претерпевает λ – образный эффект, вероятно, относящегося к фазовому переходу II- рода. Расчетным методом оценены значения термодинамических функций H°(T)-H°(298,15), S°(T), Ф**(Т) исследуемого купрато-ванадато-манганита. Результаты исследования являются важными для дальнейших исследований электрофизических свойств данного соединения, так же представляют интерес для прогнозирования ценных физико-химических свойств и паспортизации лабораторного опытного образца LaLi2CuVMnO7.5.</p></abstract><trans-abstract xml:lang="en"><p>The article presents the results of synthesis, radiographic and thermodynamic studies of the cupratevanadato-manganite compound LaLi2CuVMnO7.5. Using ceramic technology, a new cuprate-vanadatomanganite LaLi2CuVMnO7.5 was synthesized. The structure was analyzed by X-ray diffraction (XRD). The Xray images were indicated by the analytical method. Pycnometric densities were determined in glass pycnometers with a volume of 1 ml. 3 times and the data were averaged. The results show that LaLi2CuVMnO7.5 crystallizes in cubic syngony with lattice parameters: а=14,01 ± 0,01 Å; Z=4; Vo=2747,18 ± 0,03 Å³; Voun.cell.=686,87 ± 0,87 Å³, ρx-ray.=4,27 and ρpicn.=4,26 ± 0,005 g/sm³. The temperature dependence of the heat capacity of LaLi2CuVMnO7.5 was studied using a serial IT-C-400 calorimeter in the range of 298.15-673 K. The calibration of the device was carried out based on determining the thermal conductivity of the heat meter. For this purpose, experiments were conducted using a copper sample and an empty ampoule. At each temperature (in increments of 25 K), five parallel experiments were performed, and the results were processed using methods of mathematical statistics by calculating the mean value. The performance of the device was verified by determining the heat capacity of α-Al2O3. Based on experimental data, equations describing the temperature dependence were derived. It was established that LaLi2CuVMnO7.5 undergoes a λ-shaped effect at 348 K, which is likely related to a second-order phase transition. Using a calculation method, the values of the thermodynamic functions H°(T)-H°(298,15), S°(T), Ф**(Т) for the studied cuprate-vanadate-manganite were evaluated. The research results are important for further studies of the electrophysical properties of this compound and are also of interest for predicting valuable physicochemical properties and the certification of the laboratory prototype of LaLi2CuVMnO7.5.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Купрато-ванадато-манганит</kwd><kwd>твердофазный синтез</kwd><kwd>рентгенография</kwd><kwd>термодинамика</kwd><kwd>теплоемкость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Cuprate-vanadato-manganite</kwd><kwd>solid-phase synthesis</kwd><kwd>radiography</kwd><kwd>thermodynamics</kwd><kwd>heat capacity</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">TCR and MR room-temperature enhancing mechanism of La0.7K0.3-xSrxMnO3 ctramics for uncooling infrared bolometers and magnetic sensor devices / X. Guan et al // Ceram. 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